#include<bits/stdc++.h>
#define ll long long
#define _ cout<<endl;
using namespace std;
const int N=100010;
int n,a[N]={0};
short att[N];
int ans;
inline int read()
{
    int f=1,x=0;
    char ch=getchar();
    while(ch>'9'||ch<'0')
    {
        f=-f;ch=getchar();
    }
    while(ch<='9'&&ch>='0')
    {
        x=x*10+ch-'0';
        ch=getchar();
    }
    return f*x;
}
inline void write(int x)
{
    if(x<0) putchar('-'),x=-x;
    if(x>9) write(x/10);
    putchar(x%10+'0');
}
int main()
{
    freopen("arena.in","r",stdin);
    freopen("arena.out","w",stdout);
    write(5);_;
    write(19);_;
    write(7);_;
    write(1);_;
    return 0;
}
